Family name รัตนเศรษฐ (Ratanaseng 
, รัตนเศรษฐ 
, Rattanaset ) , throughout the world, is a very rare last name. The surname รัตนเศรษฐ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, รัตนเศรษฐ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ratanaseng | United States |
| Rattanaset, Rattanalurst, รัตนเศรษฐ | Thailand |
|
ทัศนียา รัตนเศรษฐ Thai politician, TH (b. 1954) |
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| วิรัช รัตนเศรษฐ Thai politician, TH (b. 1958) |
|
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| อธิรัฐ รัตนเศรษฐ Thai politician, TH (b. 1984) |
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นพพร, วิรัช, ประไพ, วลัยพร, ตติรัฐ, ทวิรัฐ, ศรีวรรณ, เยาวรัตน์, วิไลลักษณ์, and ณรงค์ศักดิ์